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    40 ****************************************************************************/

    41 

    42 #ifndef QGESTURE_H

    43 #define QGESTURE_H

    44 

    45 #include <QtCore/qobject.h>

    46 #include <QtCore/qlist.h>

    47 #include <QtCore/qdatetime.h>

    48 #include <QtCore/qpoint.h>

    49 #include <QtCore/qrect.h>

    50 #include <QtCore/qmetatype.h>

    51 

    52 QT_BEGIN_HEADER

    53 

    54 Q_DECLARE_METATYPE(Qt::GestureState)

    55 

    56 QT_BEGIN_NAMESPACE

    57 

    58 QT_MODULE(Gui)

    59 

    60 class QGesturePrivate;

    61 class Q_GUI_EXPORT QGesture : public QObject

    62 {

    63     Q_OBJECT

    64     Q_DECLARE_PRIVATE(QGesture)

    65 

    66     Q_PROPERTY(Qt::GestureState state READ state)

    67     Q_PROPERTY(Qt::GestureType gestureType READ gestureType)

    68     Q_PROPERTY(QPointF hotSpot READ hotSpot WRITE setHotSpot RESET unsetHotSpot)

    69     Q_PROPERTY(bool hasHotSpot READ hasHotSpot)

    70 

    71 public:

    72     explicit QGesture(QObject *parent = 0);

    73     ~QGesture();

    74 

    75     Qt::GestureType gestureType() const;

    76 

    77     Qt::GestureState state() const;

    78 

    79     QPointF hotSpot() const;

    80     void setHotSpot(const QPointF &value);

    81     bool hasHotSpot() const;

    82     void unsetHotSpot();

    83 

    84 protected:

    85     QGesture(QGesturePrivate &dd, QObject *parent);

    86 

    87 private:

    88     friend class QGestureEvent;

    89     friend class QGestureRecognizer;

    90     friend class QGestureManager;

    91 };

    92 

    93 class QPanGesturePrivate;

    94 class Q_GUI_EXPORT QPanGesture : public QGesture

    95 {

    96     Q_OBJECT

    97     Q_DECLARE_PRIVATE(QPanGesture)

    98 

    99     Q_PROPERTY(QPointF totalOffset READ totalOffset WRITE setTotalOffset)

   100     Q_PROPERTY(QPointF lastOffset READ lastOffset WRITE setLastOffset)

   101     Q_PROPERTY(QPointF offset READ offset WRITE setOffset)

   102     Q_PROPERTY(qreal acceleration READ acceleration WRITE setAcceleration)

   103 

   104 public:

   105     QPanGesture(QObject *parent = 0);

   106 

   107     QPointF totalOffset() const;

   108     QPointF lastOffset() const;

   109     QPointF offset() const;

   110     qreal acceleration() const;

   111 

   112     void setTotalOffset(const QPointF &value);

   113     void setLastOffset(const QPointF &value);

   114     void setOffset(const QPointF &value);

   115     void setAcceleration(qreal value);

   116 

   117     friend class QPanGestureRecognizer;

   118     friend class QWinNativePanGestureRecognizer;

   119 };

   120 

   121 class QPinchGesturePrivate;

   122 class Q_GUI_EXPORT QPinchGesture : public QGesture

   123 {

   124     Q_OBJECT

   125     Q_DECLARE_PRIVATE(QPinchGesture)

   126 

   127 public:

   128     enum WhatChange {

   129         ScaleFactorChanged = 0x1,

   130         RotationAngleChanged = 0x2,

   131         CenterPointChanged = 0x4

   132     };

   133     Q_DECLARE_FLAGS(WhatChanged, WhatChange)

   134 

   135     Q_PROPERTY(WhatChanged whatChanged READ whatChanged WRITE setWhatChanged)

   136 

   137     Q_PROPERTY(qreal totalScaleFactor READ totalScaleFactor WRITE setTotalScaleFactor)

   138     Q_PROPERTY(qreal lastScaleFactor READ lastScaleFactor WRITE setLastScaleFactor)

   139     Q_PROPERTY(qreal scaleFactor READ scaleFactor WRITE setScaleFactor)

   140 

   141     Q_PROPERTY(qreal totalRotationAngle READ totalRotationAngle WRITE setTotalRotationAngle)

   142     Q_PROPERTY(qreal lastRotationAngle READ lastRotationAngle WRITE setLastRotationAngle)

   143     Q_PROPERTY(qreal rotationAngle READ rotationAngle WRITE setRotationAngle)

   144 

   145     Q_PROPERTY(QPointF startCenterPoint READ startCenterPoint WRITE setStartCenterPoint)

   146     Q_PROPERTY(QPointF lastCenterPoint READ lastCenterPoint WRITE setLastCenterPoint)

   147     Q_PROPERTY(QPointF centerPoint READ centerPoint WRITE setCenterPoint)

   148 

   149 public:

   150     QPinchGesture(QObject *parent = 0);

   151 

   152     WhatChanged whatChanged() const;

   153     void setWhatChanged(WhatChanged value);

   154 

   155     QPointF startCenterPoint() const;

   156     QPointF lastCenterPoint() const;

   157     QPointF centerPoint() const;

   158     void setStartCenterPoint(const QPointF &value);

   159     void setLastCenterPoint(const QPointF &value);

   160     void setCenterPoint(const QPointF &value);

   161 

   162     qreal totalScaleFactor() const;

   163     qreal lastScaleFactor() const;

   164     qreal scaleFactor() const;

   165     void setTotalScaleFactor(qreal value);

   166     void setLastScaleFactor(qreal value);

   167     void setScaleFactor(qreal value);

   168 

   169     qreal totalRotationAngle() const;

   170     qreal lastRotationAngle() const;

   171     qreal rotationAngle() const;

   172     void setTotalRotationAngle(qreal value);

   173     void setLastRotationAngle(qreal value);

   174     void setRotationAngle(qreal value);

   175 

   176     friend class QPinchGestureRecognizer;

   177 };

   178 

   179 QT_END_NAMESPACE

   180 

   181 Q_DECLARE_METATYPE(QPinchGesture::WhatChanged)

   182 

   183 QT_BEGIN_NAMESPACE

   184 

   185 class QSwipeGesturePrivate;

   186 class Q_GUI_EXPORT QSwipeGesture : public QGesture

   187 {

   188     Q_OBJECT

   189     Q_DECLARE_PRIVATE(QSwipeGesture)

   190     Q_ENUMS(SwipeDirection)

   191 

   192     Q_PROPERTY(SwipeDirection horizontalDirection READ horizontalDirection STORED false)

   193     Q_PROPERTY(SwipeDirection verticalDirection READ verticalDirection STORED false)

   194     Q_PROPERTY(qreal swipeAngle READ swipeAngle WRITE setSwipeAngle)

   195 

   196 public:

   197     enum SwipeDirection { NoDirection, Left, Right, Up, Down };

   198     QSwipeGesture(QObject *parent = 0);

   199 

   200     SwipeDirection horizontalDirection() const;

   201     SwipeDirection verticalDirection() const;

   202 

   203     qreal swipeAngle() const;

   204     void setSwipeAngle(qreal value);

   205 

   206     friend class QSwipeGestureRecognizer;

   207 };

   208 

   209 QT_END_NAMESPACE

   210 

   211 QT_END_HEADER

   212 

   213 #endif // QGESTURE_H